CN110903641A - Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof - Google Patents
Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof Download PDFInfo
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- CN110903641A CN110903641A CN201811080974.XA CN201811080974A CN110903641A CN 110903641 A CN110903641 A CN 110903641A CN 201811080974 A CN201811080974 A CN 201811080974A CN 110903641 A CN110903641 A CN 110903641A
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- hydrolysis
- glass fiber
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- composite material
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- 239000004952 Polyamide Substances 0.000 title claims abstract description 45
- 229920002647 polyamide Polymers 0.000 title claims abstract description 45
- 239000003365 glass fiber Substances 0.000 title claims abstract description 44
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 43
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 43
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000012748 slip agent Substances 0.000 claims description 3
- 125000000446 sulfanediyl group Chemical group *S* 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000000655 anti-hydrolysis Effects 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 229920002292 Nylon 6 Polymers 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 125000003368 amide group Chemical group 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000001257 hydrogen Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of high polymer materials, in particular to a hydrolysis-resistant glass fiber reinforced polyamide composite material and a product thereof. The hydrolysis-resistant glass fiber reinforced polyamide composite material comprises the following components: polyamide material, antioxidant, glass fiber, lubricant and anti-hydrolysis agent. The product is produced after the hydrolysis-resistant glass fiber reinforced polyamide composite material is molded. According to the hydrolysis-resistant glass fiber reinforced polyamide composite material and the product thereof, the hydrolysis resistant agent is added into the polyamide material, so that the hydrophilic group of the material is protected, the hydrolysis resistance and the toughness of the material are improved, the water absorption rate of the polyamide material in a humid environment is reduced, and the excellent mechanical property is still maintained.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of high polymer materials, in particular to a hydrolysis-resistant glass fiber reinforced polyamide composite material and a product thereof.
[ background of the invention ]
Polyamide materials PA6 (polycaprolactam) and PA66 (polyhexamethylene adipamide) are generic names of thermoplastic resins containing a repeating amide group on a molecular chain, and are widely used in parts of automobiles and machinery due to characteristics of excellent physical and mechanical properties, lubricity, good processing fluidity, excellent wear resistance, cold resistance, easy molding and the like.
Glass fiber (short for glass fiber) reinforced polyamide materials are more and more widely applied to manufacturing of parts such as water pumps, automobile water tanks, electric vehicle structural parts, household appliances and the like. However, due to the existence of amide groups, hydrogen bonds are easily formed between water molecules, so that the defects of high water absorption rate, plasticizing effect, modulus reduction, poor dimensional stability, poor heat resistance and the like are caused, 2-4% of water can be absorbed in a normal-temperature environment, and the mechanical property of the material is easily changed due to hydrolysis.
In view of the above, it is necessary to develop a hydrolysis-resistant glass fiber reinforced polyamide composite material to overcome the defect that the glass fiber reinforced polyamide material in the prior art is easily hydrolyzed to cause the change of the mechanical properties of the material.
[ summary of the invention ]
Therefore, the invention aims to provide a hydrolysis-resistant glass fiber reinforced polyamide composite material, which can protect hydrophilic groups of the material and improve the hydrolysis resistance of polyamide.
In order to achieve the purpose, the hydrolysis-resistant glass fiber reinforced polyamide composite material comprises the following components in parts by weight:
optionally, in the polyamide material, the addition amount of the PA6 is 5-20 parts, and the addition amount of the PA66 is 30-80 parts.
Alternatively, the PA6 is added in an amount of 5 parts by weight, 10 parts by weight, or 20 parts by weight, and the PA66 is added in an amount of 43.8 parts by weight, 58.9 parts by weight, or 64 parts by weight.
Alternatively, the viscosity of the PA6 is 2.4 PAs-3.2 PAs and the viscosity of the PA66 is 2.7 PAs-3.6 PAs.
Optionally, the antioxidant comprises at least one of hindered phenol antioxidants, phosphite antioxidants, and thio antioxidants.
Optionally, the glass fibers are chopped strands, the diameter of the glass fibers is 9-13 μm, and the chopped length is 4.5 mm.
Optionally, the lubricant is at least one of calcium stearate, pentaerythritol stearate, polyurethane slip agent.
Optionally, the hydrolysis resistance agent is a mixture of polycarbodiimide and copper sulfide.
Alternatively, the anti-hydrolysis agent is added in an amount of 0.2 parts by weight, 0.3 parts by weight, or 0.4 parts by weight.
In addition, the invention also provides a product which is produced after the hydrolysis-resistant glass fiber reinforced polyamide composite material is molded.
Compared with the prior art, the hydrolysis-resistant glass fiber reinforced polyamide composite material and the product thereof have the advantages that the hydrolysis-resistant agent is added into the polyamide material, so that the hydrophilic group of the material is protected, the hydrolysis resistance and the toughness of the material are improved, the water absorption rate of the polyamide material in a humid environment is reduced, and the excellent mechanical property is still maintained.
[ detailed description ] embodiments
The hydrolysis-resistant glass fiber reinforced polyamide composite material comprises the following components in parts by weight:
30-100 parts of polyamide material, wherein the addition amount of the PA6 is 5-20 parts. The addition amount of the PA66 is 30-80 parts, preferably, the addition amount of the PA6 is 5 parts by weight, 10 parts by weight or 20 parts by weight, and the addition amount of the PA66 is 43.8 parts by weight, 58.9 parts by weight or 64 parts by weight. Preferably, the viscosity of the PA6 is 2.4 Pa.s (pascal second) to 3.2 Pa.s, and the viscosity of the PA66 is 2.7 Pa.s to 3.6 Pa.s.
0.1-0.5 part of antioxidant, wherein the antioxidant comprises at least one of hindered phenol antioxidant, phosphite antioxidant and thio antioxidant, and is used for preventing the polyamide composite material from yellowing and degrading during processing.
15-50 parts of glass fiber, wherein the mechanical property of the polyamide material can be improved by adding the glass fiber into the polyamide composite material, the glass fiber is chopped strand, the diameter of the glass fiber is 9-13 mu m, and the glass fiber has better effect of enhancing the mechanical property when the chopped length is 4.5mm, wherein the adding amount of the glass fiber is 15 parts by weight, 30 parts by weight or 50 parts by weight.
0.1-1 part of lubricant, wherein the lubricant is at least one of calcium stearate, pentaerythritol stearate (namely PETS) and polyurethane slip agent (namely RH-313), and the lubricant is 0.3 part, 0.5 part or 0.7 part.
0.2-2 parts of hydrolysis resistant agent, wherein the hydrolysis resistant agent is a mixture of polycarbodiimide and copper sulfide, and the addition amount of the hydrolysis resistant agent is 0.2 part by weight, 0.3 part by weight or 0.4 part by weight.
For further understanding of the purpose, technical efficacy and technical means of the present invention, reference will now be made in detail to the following embodiments.
Example 1
A hydrolysis-resistant glass fiber reinforced polyamide composite material comprises 64 parts by weight of PA66, 20 parts by weight of PA6, 15 parts by weight of glass fiber, 0.4 part by weight of hydrolysis-resistant agent, 0.3 part by weight of antioxidant and 0.3 part by weight of lubricant.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, and then feeding the mixture into a double-screw extruder for melt extrusion granulation.
Example 2
A hydrolysis-resistant glass fiber reinforced polyamide composite material comprises 58.9 parts by weight of PA66, 10 parts by weight of PA6, 30 parts by weight of glass fiber, 0.3 part by weight of hydrolysis-resistant agent, 0.3 part by weight of antioxidant and 0.5 part by weight of lubricant.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, and then feeding the mixture into a double-screw extruder for melt extrusion granulation.
Example 3
A hydrolysis-resistant glass fiber reinforced polyamide composite material comprises 43.8 parts by weight of PA66, 5 parts by weight of PA6, 50 parts by weight of glass fiber, 0.2 part by weight of hydrolysis-resistant agent, 0.3 part by weight of antioxidant and 0.7 part by weight of lubricant.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, and then feeding the mixture into a double-screw extruder for melt extrusion granulation.
The above examples were injection molded into standard test specimens on an injection molding machine, and the mechanical properties in the initial state and the mechanical properties after boiling were measured according to the relevant standards, and the test results are shown in table 1 below.
TABLE 1 test results
The test results in the table show that after the hydrolysis resistant agent is added into the polyamide material, the polyamide material has excellent mechanical properties in an initial state, and after the polyamide material is boiled in water for 120 hours, the tensile strength, the bending strength and the bending modulus in the mechanical properties are still excellent, and the impact strength is improved to a certain extent.
In addition, the invention also provides a product which is produced after the hydrolysis-resistant glass fiber reinforced polyamide composite material is molded, and the product can be parts of a water pump, an automobile water tank, an electric vehicle structural part, household appliances and the like.
Claims (10)
2. the hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 1, wherein the polyamide material contains PA6 in an amount of 5-20 parts and PA66 in an amount of 30-80 parts.
3. The hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 2, wherein the PA6 is added in an amount of 5 parts by weight, 10 parts by weight or 20 parts by weight, and the PA66 is added in an amount of 43.8 parts by weight, 58.9 parts by weight or 64 parts by weight.
4. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 2, wherein the viscosity of PA6 is 2.4 PA-s to 3.2 PA-s, and the viscosity of PA66 is 2.7 PA-s to 3.6 PA-s.
5. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 1, wherein the antioxidant comprises at least one of hindered phenol antioxidants, phosphite antioxidants, and thio antioxidants.
6. The hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 1, wherein the glass fiber is chopped strand, the diameter of the glass fiber is 9-13 μm, and the chopped length is 4.5 mm.
7. The hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 1, wherein the lubricant is at least one of calcium stearate, pentaerythritol stearate, and polyurethane slip agent.
8. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 1, wherein the hydrolysis resistant agent is a mixture of polycarbodiimide and copper sulfide.
9. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 1 or 8, wherein the hydrolysis resistant agent is added in an amount of 0.2 parts by weight, 0.3 parts by weight, or 0.4 parts by weight.
10. A product produced by molding the hydrolysis-resistant glass fiber reinforced polyamide composite material according to any one of claims 1 to 9.
Priority Applications (1)
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CN201811080974.XA CN110903641A (en) | 2018-09-17 | 2018-09-17 | Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof |
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CN201811080974.XA CN110903641A (en) | 2018-09-17 | 2018-09-17 | Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof |
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US20090110927A1 (en) * | 2005-03-29 | 2009-04-30 | Toray Industries, Inc., A Corporation Of Japan | Resin Composition, Molded Article and Production Method Thereof |
CN102585495A (en) * | 2012-01-06 | 2012-07-18 | 聚威工程塑料(上海)有限公司 | Hydrolysis-resistant glass fiber reinforced polyamide 66 (PA66) composite material and preparation method thereof |
CN103113737A (en) * | 2012-10-08 | 2013-05-22 | 天津戈瑞德新材料科技有限公司 | Glass fiber reinforced and hydrolysis-resistant nylon PA (Polyethylene) 6/PA66 composite material and preparation method thereof |
CN104804415A (en) * | 2015-03-17 | 2015-07-29 | 南京利华工程塑料有限公司 | Hydrolysis-resisting glass fiber reinforced polyamide composite and preparation method thereof |
CN104861649A (en) * | 2015-05-21 | 2015-08-26 | 广东威林工程塑料有限公司 | High-temperature-resistant nylon material for high-humidity and high-pressure environment and preparation method of high-temperature-resistant nylon material |
CN106280436A (en) * | 2016-08-31 | 2017-01-04 | 广东顺德顺炎新材料股份有限公司 | A kind of hydrolysis PA material and preparation method thereof |
CN106317867A (en) * | 2015-06-18 | 2017-01-11 | 合肥杰事杰新材料股份有限公司 | Low-fiber exposure hydrolysis-resistant continuous glass fiber reinforced polyamide composite material and preparation method thereof |
CN107778853A (en) * | 2016-08-29 | 2018-03-09 | 合肥杰事杰新材料股份有限公司 | A kind of heat oxygen aging resistance hydrolysis continuous glass-fiber reinforced polyamide composite and preparation method thereof |
-
2018
- 2018-09-17 CN CN201811080974.XA patent/CN110903641A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090110927A1 (en) * | 2005-03-29 | 2009-04-30 | Toray Industries, Inc., A Corporation Of Japan | Resin Composition, Molded Article and Production Method Thereof |
CN102585495A (en) * | 2012-01-06 | 2012-07-18 | 聚威工程塑料(上海)有限公司 | Hydrolysis-resistant glass fiber reinforced polyamide 66 (PA66) composite material and preparation method thereof |
CN103113737A (en) * | 2012-10-08 | 2013-05-22 | 天津戈瑞德新材料科技有限公司 | Glass fiber reinforced and hydrolysis-resistant nylon PA (Polyethylene) 6/PA66 composite material and preparation method thereof |
CN104804415A (en) * | 2015-03-17 | 2015-07-29 | 南京利华工程塑料有限公司 | Hydrolysis-resisting glass fiber reinforced polyamide composite and preparation method thereof |
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